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[Joseph Salisbury <joseph.salisbury@xxxxxxxxxxxxx>]

** Changed in: linux (Ubuntu)
   Importance: Undecided => Medium

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https://bugs.launchpad.net/bugs/1132703

Title:
  Blackscreen detected in-built camera

Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  I got an Acer with a Suyin built-in camera. It has worked perfectly
  since I have change from Window 8 three weeks ago but recently has
  showed me a black screen when using Skype or cheese. I have tried to
  reboot Ubuntu on it. First time it did work until I installed the
  recommended updates. Untill third time I rebooted, it has worked but
  somehow it went black again after some updates. I now tried to boot
  Ubuntu version 12.04 instead of 12.10. It has work so far with all the
  updates installed I could get a picture on my webcam when using Skype.
  But today without any updates it crashed and now I am back with the
  black screen on both Skype and Cheese.

   One other thing is my screenlight cannot be dimmed, this is from both
  Ubuntu version. When I pressed the command «Fn+up or down» it doens't
  dim the screen but it shows the screenlight bar going up or down on
  the screen. So I know it is working somehow if it shows the command on
  the screen.

  Here I have tested and got some information from the system to
  understand better what was going on with the camera. Unfortunately I
  dont really understand them. Hope you can do better :)

  
  The camera has been detected by the System Testing but gives me anwers like this for the first test: *Could not load image 'camera_test_25112w.jpg'.Error interpreting JPEG image file (Improper call to JPEG library in state 200)*

  And the final results: camera/detect PASSED: /dev/video0: OK name : HD
  WebCam driver : uvcvideo version: 3.5.7 flags : 0x4000001 [ CAPTURE
  STREAMING ] Format: YUYV (YUV 4:2:2 (YUYV)) Resolutions:
  640x480,160x120,176x144,320x240,352x288,1280x720,640x480 Format: MJPG
  (MJPEG) Resolutions:
  640x480,160x120,176x144,320x240,352x288,1280x720,640x480

  camera/still FAILED
  camera/display FAILED
  optical/detect PASSED HL-DT-ST DVDRAM GU61N

  optical/read_sr0 FAILED

  If you need I also have the lsusb: lsusb

  Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching
  Hub

  Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching
  Hub

  Bus 003 Device 002: ID 04f3:0023 Elan Microelectronics Corp.

  Bus 003 Device 003: ID 064e:e330 Suyin Corp.

  Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

  Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

  Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

  Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub

  Last of all I ran gstreamer-properties and see what I got.

  gstreamer-properties-Message: Skipping unavailable plugin 'artsdsink'

  gstreamer-properties-Message: Skipping unavailable plugin 'esdsink'

  gstreamer-properties-Message: Skipping unavailable plugin
  'sunaudiosink'

  gstreamer-properties-Message: Skipping unavailable plugin
  'glimagesink'

  gstreamer-properties-Message: Skipping unavailable plugin
  'sdlvideosink'

  gstreamer-properties-Message: Skipping unavailable plugin
  'v4lmjpegsrc'

  gstreamer-properties-Message: Skipping unavailable plugin 'qcamsrc'

  gstreamer-properties-Message: Skipping unavailable plugin 'v4lsrc'

  gstreamer-properties-Message: Skipping unavailable plugin 'esdmon'

  gstreamer-properties-Message: Skipping unavailable plugin
  'sunaudiosrc'

  gstreamer-properties-Message: Error running pipeline 'Video for Linux
  2 (v4l2)': Could not get buffers from device '/dev/video0'.
  [gstv4l2bufferpool.c(405):

  gst_v4l2_buffer_pool_new ():
  /GstPipeline:pipeline1/GstV4l2Src:v4l2src2: error requesting 2
  buffers: Device or resource busy]

  gstreamer-properties-Message: Error running pipeline 'Video for Linux
  2 (v4l2)': Could not get buffers from device '/dev/video0'.
  [gstv4l2bufferpool.c(405):

  gst_v4l2_buffer_pool_new ():
  /GstPipeline:pipeline2/GstV4l2Src:v4l2src3: error requesting 2
  buffers: Device or resource busy]

  Thank you so much for your help.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: update-manager 1:0.156.14.11
  ProcVersionSignature: Ubuntu 3.5.0-25.38~precise1-generic 3.5.7.4
  Uname: Linux 3.5.0-25-generic i686
  ApportVersion: 2.0.1-0ubuntu17.1
  Architecture: i386
  CheckboxSubmission: 00f6268b004fd25e16225071fc187a14
  CheckboxSystem: 2954e74ba17fb0e37fc942cd1d9fab4e
  Date: Mon Feb 25 10:14:03 2013
  GsettingsChanges:
   com.ubuntu.update-manager first-run false
   com.ubuntu.update-manager launch-time 1361569523
  InstallationMedia: Ubuntu 12.04.2 LTS "Precise Pangolin" - Release i386 (20130213)
  MarkForUpload: True
  PackageArchitecture: all
  ProcEnviron:
   LANGUAGE=en_US:en
   TERM=xterm
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: update-manager
  Symptom: ubuntu-release-upgrader-core
  UpgradeStatus: No upgrade log present (probably fresh install)

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